2 Replies Latest reply: Apr 26, 2011 11:16 PM by simonsaith RSS

    Profiling an old lens on a digital body

    evnglst2 Community Member

      How much EXIF info from the lens does the LPC require?

       

      I'd like to profile a mid-70's Nikkor 24mm lens. I've had it adapted so that it will successfully make exposures on a D3 body, but there is no focus distance information, no focal length information, and incorrect f-stop information written into the files.

       

      So, I guess the question is, would the LPC rather see EXIF info pushed into those files with EXIFtool? Or can I successfully produce a profile by just handing LPC a series of correctly composed TIFFs that contain NO EXIF info?

       

      FWIW, I did try importing a bunch of TIFFs with zero EXIF info, and LPC did not complain and it built a profile. I can't seem to get that profile working, but that may be a different problem. What I need to know is does LPC really use lens EXIF info, and if so, why doesn't it complain when you hand it files that don't contain any?

       

      Thanks,
      George